Starting at 10am will be the showdown between Besta FC and Huawei PS.
This will be followed by Buang FC taking on Yamaros FC at 12:30pm.
The last match will see Lae City Dwellers FC clash with Madang FC in the main game and will kick off at 3pm.
The semi-final for the NSL is set for July 22.
The grand final will be played a week later on July 29.
The venues are yet to be confirmed.